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Find the integral of xe^(-2x) between the limits of 0 and 1 with respect to x.

We can identify xe^(-2x) as a product and hence we will most probably need to use integration by parts.

We then set u = x and v' = x^(-2x). It is important to do it this way round so that when we d...

TB
Answered by Tom B. Maths tutor
7265 Views

When is the subjunctive triggered?

The subjunctive is known as mood rather than a tense in French as it denotes emotions such as hope, fear, desire as well as uncertainty which are triggered through certain verbs and impersonal phrases. Th...

DA
Answered by David A. French tutor
3362 Views

Why is the Harber process performed at higher temperatures rather than low?

The forward reaction in the Harber process is exothermic. Following Le Chatelier's principle, the reaction would therefore be favoured by using lower temperatures, increasing the yield of ammonia at equil...

TM
Answered by Thomas M. Chemistry tutor
4998 Views

y=e^(2x) - x^3. Find dy/dx. (please note this is "e to the power of 2x, minus x cubed")

The rules to know are 1) when differentiating e to the power of x... be it 2x or 100x... you bring down the number in front of x, and leave the power as it is. in our case e^(2x) goes to 2e^(2x).

    TM
    Answered by Toby M. Maths tutor
    8039 Views

What is social learning theory and how does it explain aggressive behaviours?

Social learning theory suggests that aggression is learned through vicarious reinforcement. This means someone, usually a child, learns through watching others being reinforced when carrying out certain b...

MW
Answered by Morgan W. Psychology tutor
5576 Views

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